paru -S 7-zip-full
(or use any other AUR helper or install it manually)
The path would look something like /home/<user>/.local
.
The command to do so right from the current directory would be:
mv ./local ./.local && cp -r ./.local ~/
update-desktop-database ~/.local/share/applications
chmod +x ./usr/local/bin/openArchives.sh
sudo cp -r ./usr /
Generally, right click any archive file, open with, and choose extractArchives